International DT530E engine

This topic contains 1 replies and was last updated by will-tilley 9 years 1 month ago
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will-tilley
April 4th, 2012 10:33pm
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Currently I have an International DT530E engine in the shop.It had a knock in the engine when warmed up and coolant in the engine oil.I took the basepan off and filled the cooling system with water and found number two cylinder had water pouring down around the sleeve.Stripped down the engine and found that the piston had heat seziure marks on the aluminum part of the articutated piston and the sleeve of number two had the liner seals melted off and this caused the coolant leak into the oil and the knock when warmed up.No other damage to pistons or liners of other cylinders.My initial response was the piston cooling nozzle must have clogged and caused the cylinder overheat.Upon closer inspection there is a nozzle on each of the main journals for a total of two nozzles per each cylinder.I checked for obstructions but no real evidence of problems.My mind wanders to the injector an may be a problem with it.So I was wondering if anybody else has had this problem and was it the injector?I think the DT466E is the same engine also and maybe a bus mechanic may has seen this(John Whelan)???
will-tilley
June 24th, 2012 3:10pm
Well to answer my own question it was a faulty injector.

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